package com.wjhs.chapter5;

import java.util.Collection;
import java.util.Set;

public class LineWidthHistogram {
    public void addLine(int lineSize, int lineCount) {

    }

    public Collection<Object> getLinesforWidth(int width) {
        return null;
    }

    public Set<Integer> getWidths() {
        return null;
    }
}
